---> uname -a: Linux prd-ubuntu1804-builder-4c-4g-1277 4.15.0-194-generic #205-Ubuntu SMP Fri Sep 16 19:49:27 UTC 2022 x86_64 x86_64 x86_64 GNU/Linux ---> lscpu: Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 4 On-line CPU(s) list: 0-3 Thread(s) per core: 1 Core(s) per socket: 1 Socket(s): 4 NUMA node(s): 1 Vendor ID: AuthenticAMD CPU family: 23 Model: 49 Model name: AMD EPYC-Rome Processor Stepping: 0 CPU MHz: 2800.000 BogoMIPS: 5600.00 Virtualization: AMD-V Hypervisor vendor: KVM Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 512K L3 cache: 16384K NUMA node0 CPU(s): 0-3 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 syscall nx mmxext fxsr_opt pdpe1gb rdtscp lm rep_good nopl xtopology cpuid extd_apicid tsc_known_freq pni pclmulqdq ssse3 fma cx16 sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm cmp_legacy svm cr8_legacy abm sse4a misalignsse 3dnowprefetch osvw topoext perfctr_core ssbd ibrs ibpb stibp vmmcall fsgsbase tsc_adjust bmi1 avx2 smep bmi2 rdseed adx smap clflushopt clwb sha_ni xsaveopt xsavec xgetbv1 xsaves clzero xsaveerptr arat npt lbrv nrip_save tsc_scale vmcb_clean flushbyasid pausefilter pfthreshold v_vmsave_vmload vgif umip rdpid arch_capabilities ---> nproc: 4 ---> df -h: Filesystem Size Used Avail Use% Mounted on udev 7.9G 0 7.9G 0% /dev tmpfs 1.6G 672K 1.6G 1% /run /dev/vda1 78G 9.6G 68G 13% / tmpfs 7.9G 0 7.9G 0% /dev/shm tmpfs 5.0M 0 5.0M 0% /run/lock tmpfs 7.9G 0 7.9G 0% /sys/fs/cgroup /dev/vda15 105M 4.4M 100M 5% /boot/efi tmpfs 1.6G 0 1.6G 0% /run/user/1001 ---> free -m: total used free shared buff/cache available Mem: 16040 587 11853 0 3598 15122 Swap: 1023 0 1023 ---> ip addr: 1: lo: mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever 2: ens3: mtu 1458 qdisc mq state UP group default qlen 1000 link/ether fa:16:3e:d0:54:49 brd ff:ff:ff:ff:ff:ff inet 10.30.107.10/23 brd 10.30.107.255 scope global dynamic ens3 valid_lft 85870sec preferred_lft 85870sec inet6 fe80::f816:3eff:fed0:5449/64 scope link valid_lft forever preferred_lft forever ---> sar -b -r -n DEV: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1277) 11/06/26 _x86_64_ (4 CPU) 07:06:03 LINUX RESTART (4 CPU) 07:07:01 tps rtps wtps bread/s bwrtn/s 07:08:01 16.70 0.00 16.70 0.00 18899.25 07:09:01 1.52 0.00 1.52 0.00 17.60 07:10:01 0.78 0.00 0.78 0.00 9.07 07:11:01 319.86 22.87 296.98 859.70 8816.79 07:12:01 189.37 41.04 148.33 2451.19 19228.00 07:13:01 56.81 3.98 52.82 151.04 7406.63 07:14:01 164.46 5.77 158.69 169.57 19178.14 Average: 107.08 10.52 96.56 518.80 10507.84 07:07:01 kbmemfree kbavail kbmemused %memused kbbuffers kbcached kbcommit %commit kbactive kbinact kbdirty 07:08:01 14460212 15685536 1964756 11.96 32092 1412620 695652 3.98 497304 1296424 4 07:09:01 14459624 15685044 1965344 11.97 32148 1412632 695652 3.98 497452 1296416 156 07:10:01 14459508 15684980 1965460 11.97 32172 1412636 695652 3.98 497568 1296420 164 07:11:01 13852288 15486304 2572680 15.66 58412 1777392 856428 4.90 767076 1595612 214404 07:12:01 12493640 14568644 3931328 23.94 77736 2181028 1677208 9.60 1714524 1967704 59392 07:13:01 9360048 12008268 7064920 43.01 88888 2683156 4233060 24.23 4403984 2330888 365836 07:14:01 7494196 10417036 8930772 54.37 93376 2939724 5708064 32.67 6140112 2443104 74764 Average: 12368502 14219402 4056466 24.70 59261 1974170 2080245 11.91 2074003 1746653 102103 07:07:01 IFACE rxpck/s txpck/s rxkB/s txkB/s rxcmp/s txcmp/s rxmcst/s %ifutil 07:08:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:08:01 ens3 2.45 1.05 2.24 0.29 0.00 0.00 0.00 0.00 07:09:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 07:09:01 ens3 0.27 0.30 0.06 0.18 0.00 0.00 0.00 0.00 07:10:01 lo 0.00 0.00 0.00 0.00 0.00 0.00 0.00 0.00 07:10:01 ens3 0.27 0.15 0.06 0.32 0.00 0.00 0.00 0.00 07:11:01 lo 0.87 0.87 0.09 0.09 0.00 0.00 0.00 0.00 07:11:01 ens3 150.21 103.98 1175.83 42.62 0.00 0.00 0.00 0.00 07:12:01 lo 0.73 0.73 0.09 0.09 0.00 0.00 0.00 0.00 07:12:01 ens3 357.04 281.75 3071.37 68.38 0.00 0.00 0.00 0.00 07:13:01 lo 0.20 0.20 0.01 0.01 0.00 0.00 0.00 0.00 07:13:01 ens3 34.04 28.06 136.37 7.08 0.00 0.00 0.00 0.00 07:14:01 lo 1.10 1.10 13.51 13.51 0.00 0.00 0.00 0.00 07:14:01 ens3 269.41 204.65 1053.98 68.72 0.00 0.00 0.00 0.00 Average: lo 0.44 0.44 1.96 1.96 0.00 0.00 0.00 0.00 Average: ens3 116.24 88.56 777.15 26.80 0.00 0.00 0.00 0.00 ---> sar -P ALL: Linux 4.15.0-194-generic (prd-ubuntu1804-builder-4c-4g-1277) 11/06/26 _x86_64_ (4 CPU) 07:06:03 LINUX RESTART (4 CPU) 07:07:01 CPU %user %nice %system %iowait %steal %idle 07:08:01 all 0.16 0.00 0.03 0.42 0.00 99.40 07:08:01 0 0.18 0.00 0.05 0.05 0.00 99.72 07:08:01 1 0.03 0.00 0.00 0.00 0.00 99.97 07:08:01 2 0.42 0.00 0.03 1.64 0.00 97.91 07:08:01 3 0.02 0.00 0.00 0.00 0.00 99.98 07:09:01 all 0.02 0.00 0.02 0.01 0.00 99.95 07:09:01 0 0.02 0.00 0.02 0.03 0.00 99.93 07:09:01 1 0.02 0.00 0.00 0.00 0.00 99.98 07:09:01 2 0.02 0.00 0.03 0.03 0.00 99.92 07:09:01 3 0.02 0.00 0.02 0.00 0.00 99.97 07:10:01 all 0.20 0.00 0.02 0.01 0.00 99.78 07:10:01 0 0.02 0.00 0.03 0.00 0.00 99.95 07:10:01 1 0.02 0.00 0.02 0.00 0.00 99.97 07:10:01 2 0.77 0.00 0.02 0.03 0.00 99.18 07:10:01 3 0.00 0.00 0.00 0.00 0.00 100.00 07:11:01 all 13.63 0.00 1.29 2.19 0.00 82.89 07:11:01 0 16.94 0.00 2.27 4.16 0.02 76.62 07:11:01 1 11.97 0.00 0.77 0.23 0.00 87.03 07:11:01 2 14.72 0.00 1.43 3.80 0.02 80.03 07:11:01 3 10.91 0.00 0.68 0.58 0.00 87.83 07:12:01 all 40.71 0.00 2.12 1.13 0.02 56.03 07:12:01 0 54.78 0.00 2.39 0.89 0.02 41.92 07:12:01 1 40.72 0.00 1.84 0.52 0.02 56.90 07:12:01 2 36.10 0.00 2.36 0.59 0.02 60.94 07:12:01 3 31.26 0.00 1.88 2.50 0.00 64.35 07:13:01 all 59.11 0.00 1.60 0.16 0.03 39.10 07:13:01 0 45.03 0.00 1.61 0.02 0.02 53.33 07:13:01 1 66.47 0.00 1.75 0.13 0.05 31.59 07:13:01 2 67.55 0.00 1.62 0.02 0.02 30.80 07:13:01 3 57.48 0.00 1.40 0.48 0.03 40.60 07:14:01 all 62.52 0.00 2.16 0.42 0.02 34.88 07:14:01 0 64.87 0.00 1.88 0.10 0.03 33.11 07:14:01 1 69.23 0.00 2.24 0.17 0.02 28.34 07:14:01 2 60.05 0.00 1.64 0.07 0.02 38.23 07:14:01 3 55.89 0.00 2.88 1.36 0.02 39.86 Average: all 25.17 0.00 1.03 0.62 0.01 73.16 Average: 0 25.98 0.00 1.18 0.75 0.01 72.09 Average: 1 26.88 0.00 0.94 0.15 0.01 72.01 Average: 2 25.66 0.00 1.02 0.89 0.01 72.43 Average: 3 22.19 0.00 0.98 0.70 0.01 76.12